161990751

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{218611}}^1$

素因数の和:218646

約数の個数: 16

約数和(自身を含む): 244845440

約数和(自身を除く): 82854689

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 218611, 655833, 2841943, 4153609, 8525829, 12460827, 53996917, 161990751]

約数ペア:

[(1, 161990751), (3, 53996917), (13, 12460827), (19, 8525829), (39, 4153609), (57, 2841943), (247, 655833), (741, 218611)]